CN214816208U

CN214816208U - Auxiliary positioning fixture for welding

Info

Publication number: CN214816208U
Application number: CN202121837255.5U
Authority: CN
Inventors: 刘伟; 邹毅
Original assignee: Changzhou Manwang Semiconductor Technology Co ltd
Current assignee: Changzhou Manwang Semiconductor Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-23
Anticipated expiration: 2031-08-09

Abstract

The auxiliary positioning fixture for welding comprises a welding platform; the welding platform is rectangular, four supporting legs are arranged at the bottom of the welding platform, and staggered sliding assemblies are arranged at the top of the welding platform; the control rod is rotatably connected to the bottom of the welding platform, a crank is arranged at the right end of the control rod, and a driving worm is arranged at the left end of the control rod; this auxiliary positioning anchor clamps for welding passes through the drive worm of control lever left end and drives driven worm wheel and rotate, and driven worm wheel drives the fluted disc and rotates to control two straight-teeth rack through the fluted disc and carry out crisscross slip, shorten the terminal distance of straight-teeth rack, be convenient for according to circuit board size adjustment anchor clamps position, improve the practicality of crisscross slip subassembly, and through the transmission of drive worm and driven worm wheel, can make the straight-teeth rack at the uniform velocity slowly slide, avoid because the straight-teeth rack is close to suddenly and causes the circuit board to press from both sides and hinder.

Description

Auxiliary positioning fixture for welding

Technical Field

The utility model relates to a circuit board welding technology field especially relates to welding is with assistance-localization real-time anchor clamps.

Background

The circuit board is used for installing components and parts, and when components and parts welded on the circuit board, the circuit board was carried to needs anchor clamps and is welded, and current welding is with assistance-localization real-time anchor clamps are at the in-process that uses, owing to press from both sides tightly the side of circuit board, if press from both sides the too big bending type that very easily leads to the circuit board of dynamics of pressing from both sides, cause circuit board circuit fracture, and can not effectively press from both sides tightly according to the size of circuit board, the circuit board often can rock on anchor clamps, causes the welding deviation.

Therefore, the existing structure and the defects are researched and improved, and the auxiliary positioning clamp for welding is provided, so that the aim of achieving more practical value is fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary positioning anchor clamps is used in welding to solve the current auxiliary positioning anchor clamps for welding that proposes in the above-mentioned background art and in the in-process that uses, owing to press from both sides tightly the side of circuit board, if press from both sides the too big buckling that very easily leads to the circuit board of dynamics of pressing from both sides, cause circuit board circuit fracture, and can not effectively press from both sides tightly according to the size of circuit board, the circuit board often can rock on anchor clamps, causes the problem of welding deviation.

The utility model discloses welding is with assistance-localization real-time anchor clamps's purpose and efficiency is reached by following specific technological means:

the auxiliary positioning fixture for welding comprises a welding platform;

the welding platform is rectangular, four supporting legs are arranged at the bottom of the welding platform, and staggered sliding assemblies are arranged at the top of the welding platform;

the control rod is rotatably connected to the bottom of the welding platform, a crank is arranged at the right end of the control rod, and a driving worm is arranged at the left end of the control rod.

Furthermore, be the slant symmetry in welded platform's the top terminal surface and seted up two trapezoidal spouts, be provided with the triangle-shaped cushion on one side welded platform terminal surface of trapezoidal spout, the top of cushion is wrapped up by antistatic cloth.

Further, the interleaved slide assembly comprises:

the fluted disc, fluted disc rotate to be connected in the centre department of welding platform top end face, and the bottom of fluted disc is provided with driven worm wheel, and the driven worm wheel front side is connected with the drive worm meshing of control lever left end.

Further, the interleaved slide assembly further comprises:

the straight rack, the straight rack is 45 slope form symmetries and sets up in the both sides of fluted disc, and the bottom of straight rack is provided with trapezoidal slider, and the straight rack passes through trapezoidal slider sliding connection in the trapezoidal spout of welding platform top end face, has seted up flexible spout in the one end lateral wall of straight rack, and sliding connection has the elasticity litter in the flexible spout.

Furthermore, one end of the elastic sliding rod is provided with a tension spring, one end of the tension spring is connected with the inner side wall of the telescopic chute, the top of the other end of the elastic sliding rod is provided with a flat plate, and the top of the right rear corner of the flat plate is provided with a limiting sliding cylinder.

Furthermore, the inside of the limiting sliding barrel is hollow, a rectangular opening is formed in the side wall of the limiting sliding barrel, a height adjusting rod is rotatably connected in the limiting sliding barrel, a knob is arranged at the top of the height adjusting rod, and the bottom of the height adjusting rod is rotatably connected in the end face of the bottom of the inner side of the limiting sliding barrel.

Furthermore, a positioning disc is connected in the limiting sliding barrel in a sliding mode, an L-shaped sliding arm is arranged at the top of the positioning disc, one end of the sliding arm is connected to the height adjusting rod in a threaded mode, and the sliding arm is connected in a rectangular opening of the limiting sliding barrel in a sliding mode.

Compare with current structure under, the utility model discloses following beneficial effect has:

1. the utility model discloses a drive worm of control lever left end drives driven worm wheel and rotates, and driven worm wheel drives the fluted disc and rotates to slide through two straight-teeth racks of fluted disc control crisscross, shorten the terminal distance of straight-teeth rack, be convenient for according to circuit board size adjustment anchor clamps position, improve the practicality of crisscross slip subassembly, and through the transmission of drive worm and driven worm wheel, can make the straight-teeth rack at the uniform velocity slowly slide, avoid because the straight-teeth rack is close to suddenly and causes the circuit board to press from both sides and hinder.

2. When the straight rack drives the flat board at elasticity litter top and is close to, the two opposite angle blocks of circuit board are in dull and stereotyped bottom right angle department to along with the increase of the crisscross distance of straight rack, elasticity litter pulling extension spring passes through the flat board and blocks the circuit board firmly, prevents to rock when welding the circuit board, leads to damaging the circuit board, improves the stability of circuit board when welding.

Drawings

FIG. 1 is a schematic side view of the front axle of the present invention;

FIG. 2 is a schematic view of the overall split structure of the present invention;

fig. 3 is a schematic structural diagram of a cross section of the spur rack of the present invention;

FIG. 4 is a schematic view of the transmission connection structure of the control rod and the staggered sliding assembly of the present invention;

fig. 5 is a schematic view of the split structure of the spur rack and the elastic slide rod of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. welding a platform; 101. cushion blocks; 102. a trapezoidal chute; 103. a support leg; 2. a fluted disc; 201. a driven worm gear; 3. a control lever; 301. a crank; 302. a drive worm; 4. straight rack; 401. a trapezoidal slider; 402. a telescopic chute; 5. an elastic slide rod; 501. a tension spring; 502. a flat plate; 503. a limiting sliding cylinder; 6. a height adjustment lever; 7. and (6) positioning a disc.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a welding is with assistance-localization real-time anchor clamps, including: a welding platform 1;

referring to fig. 1, a welding platform 1 is rectangular, two trapezoidal sliding grooves 102 are symmetrically formed in the top end face of the welding platform 1 in an inclined manner of 45 degrees, triangular cushion blocks 101 are arranged at opposite corners of the end face of the welding platform 1 on two sides of each trapezoidal sliding groove 102, the tops of the cushion blocks 101 are wrapped by antistatic cloth, the cushion blocks 101 are horizontal supporting faces used for providing protection, the cushion blocks 101 can provide opposite-corner support for a circuit board, the circuit board is prevented from inclining when being positioned and clamped, the stability of the circuit board is improved, the circuit board is prevented from being damaged by clamping, four supporting legs 103 are arranged at the bottom of the welding platform 1 in a rectangular array, and staggered sliding assemblies are arranged at the top of the welding platform 1; control lever 3 is cylindricly, and control lever 3 rotates to be connected in welding platform 1's bottom, and the right-hand member of control lever 3 is provided with crank 301, and the left end of control lever 3 is provided with drive worm 302, drives control lever 3 through rotating crank 301 and rotates, and control lever 3 drives drive worm 302 to slide through the crisscross slip subassembly of drive worm 302 control.

Referring to fig. 2 and 3, the interleaved slide assembly comprises:

the fluted disc 2 is rotatably connected to the middle of the top end face of the welding platform 1, a driven worm wheel 201 is arranged at the bottom of the fluted disc 2, and the front side of the driven worm wheel 201 is meshed and connected with a driving worm 302 at the left end of the control rod 3;

the straight rack 4 is symmetrically arranged at two sides of the fluted disc 2 in a 45-degree inclined manner, the bottom of the straight rack 4 is provided with a trapezoidal sliding block 401, the straight rack 4 is connected in a sliding manner in a trapezoidal sliding groove 102 on the top end surface of the welding platform 1 through the trapezoidal sliding block 401, a telescopic sliding chute 402 is arranged in the side wall of one end of the spur rack 4, an elastic sliding rod 5 is connected in the telescopic sliding chute 402 in a sliding way, when in use, the driving worm 302 at the left end of the control rod 3 drives the driven worm wheel 201 to rotate, the driven worm wheel 201 drives the fluted disc 2 to rotate, thereby controlling the two straight racks 4 to slide in a staggered way through the fluted disc 2, shortening the distance between the tail ends of the straight racks 4, being convenient for adjusting the position of the clamp according to the size of the circuit board, improving the practicability of the staggered sliding component, and through the transmission of the driving worm 302 and the driven worm wheel 201, the spur rack 4 can slowly slide at a constant speed, and circuit board clamping damage caused by sudden approach of the spur rack 4 is avoided.

Referring to fig. 3 and 5, one end of the elastic slide rod 5 is provided with a tension spring 501, one end of the tension spring 501 is connected with the inner side wall of the telescopic chute 402, the top of the other end of the elastic slide rod 5 is provided with a flat plate 502, the top of the right rear corner of the flat plate 502 is provided with a limiting slide cylinder 503, when the elastic slide rod is used, when the straight rack 4 drives the flat plate 502 at the top of the elastic slide rod 5 to approach, two opposite corners of the circuit board are clamped at the bottom right corner of the flat plate 502, and along with the increase of the staggered distance of the straight rack 4, the elastic slide rod 5 pulls the tension spring 501 to firmly clamp the circuit board through the flat plate 502, so that the circuit board is prevented from shaking during welding, the circuit board is damaged, and the stability of the circuit board during welding is improved.

Referring to fig. 2, the inside of the limiting sliding cylinder 503 is hollow, a rectangular opening is formed in the side wall of the limiting sliding cylinder 503, a height adjusting rod 6 is rotatably connected in the limiting sliding cylinder 503, a knob is arranged at the top of the height adjusting rod 6, the bottom of the height adjusting rod 6 is rotatably connected in the end surface of the bottom of the inner side of the limiting sliding cylinder 503, a positioning disk 7 is connected in the limiting sliding barrel 503 in a sliding way, an L-shaped sliding arm is arranged at the top of the positioning disk 7, one end of the sliding arm is connected on the height adjusting rod 6 in a threaded way, the sliding arm is connected in a rectangular opening of the limiting sliding barrel 503 in a sliding way, when in use, the sliding arm of the positioning disk 7 is controlled to slide downwards in the limiting sliding barrel 503 by rotating the height adjusting rod 6, then compress tightly downwards the corner of circuit board through positioning disk 7, avoid the perk of circuit board corner, prevent that the circuit board from deviating from dull and stereotyped 502 from the corner, carry out auxiliary positioning through positioning disk 7 and press from both sides the circuit board tightly.

The specific use mode and function of the embodiment are as follows:

when the auxiliary positioning fixture for welding is used, corners at opposite corners of a circuit board are firstly placed at the top of the cushion block 101, then the crank 301 is rotated, the control rod 3 and the driving worm 302 are driven to rotate through the crank 301, the driving worm 302 drives the driven worm wheel 201 to rotate, the driven worm wheel 201 drives the fluted disc 2 to rotate, so that two straight racks 4 are controlled to slide in a staggered mode through the fluted disc 2, the distance between the tail ends of the straight racks 4 is shortened, the other two opposite corners of the circuit board are clamped by the flat plate 502 at the top of the elastic sliding rod 5, the elastic sliding rod 5 pulls the tension spring 501 to firmly clamp the circuit board through the flat plate 502 along with the increase of the staggered distance of the straight racks 4, the circuit board is prevented from shaking during welding, then the sliding arm of the positioning disc 7 is controlled to slide downwards in the limiting sliding cylinder 503 through the rotation height adjusting rod 6, and then the corners of the circuit board are pressed downwards through the positioning disc 7, the corner of the circuit board is prevented from tilting.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent replacements may be made to some technical features of the embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Welding is with supplementary positioning fixture includes: a welding platform (1);

the method is characterized in that: the welding platform (1) is rectangular, four support legs (103) are arranged at the bottom of the welding platform (1), and staggered sliding assemblies are arranged at the top of the welding platform (1);

the welding device comprises a control rod (3), wherein the control rod (3) is rotatably connected to the bottom of the welding platform (1), a crank (301) is arranged at the right end of the control rod (3), and a driving worm (302) is arranged at the left end of the control rod (3).

2. The auxiliary positioning jig for welding according to claim 1, characterized in that: the welding platform is characterized in that two trapezoidal sliding grooves (102) are obliquely and symmetrically formed in the top end face of the welding platform (1), a triangular cushion block (101) is arranged on the end face of the welding platform (1) on one side of each trapezoidal sliding groove (102), and the tops of the cushion blocks (101) are wrapped by anti-static cloth.

3. The auxiliary positioning jig for welding according to claim 1, characterized in that: the interleaved slide assembly comprises:

fluted disc (2), fluted disc (2) rotate to be connected in the middle of welding platform (1) top end face, and the bottom of fluted disc (2) is provided with driven worm wheel (201), and driven worm wheel (201) front side is connected with drive worm (302) the meshing of control lever (3) left end.

4. The auxiliary positioning jig for welding according to claim 3, characterized in that: the interleaved slide assembly further comprises:

spur rack (4), spur rack (4) are 45 slope form symmetries and set up in the both sides of fluted disc (2), and the bottom of spur rack (4) is provided with trapezoidal slider (401), and during spur rack (4) passed through trapezoidal slider (401) sliding connection in trapezoidal spout (102) of welded platform (1) top end face, seted up flexible spout (402) in the one end lateral wall of spur rack (4), sliding connection has flexible litter (5) in flexible spout (402).

5. The auxiliary positioning jig for welding according to claim 4, characterized in that: one end of the elastic sliding rod (5) is provided with a tension spring (501), one end of the tension spring (501) is connected with the inner side wall of the telescopic chute (402), the top of the other end of the elastic sliding rod (5) is provided with a flat plate (502), and the top of the right rear corner of the flat plate (502) is provided with a limiting sliding cylinder (503).

6. The auxiliary positioning jig for welding according to claim 5, characterized in that: the limiting sliding barrel (503) is hollow, a rectangular opening is formed in the side wall of the limiting sliding barrel (503), a height adjusting rod (6) is connected in the limiting sliding barrel (503) in a rotating mode, a knob is arranged at the top of the height adjusting rod (6), and the bottom of the height adjusting rod (6) is connected in the end face of the bottom of the inner side of the limiting sliding barrel (503) in a rotating mode.

7. The auxiliary positioning jig for welding according to claim 6, characterized in that: a positioning disc (7) is connected in the limiting sliding barrel (503) in a sliding mode, an L-shaped sliding arm is arranged at the top of the positioning disc (7), one end of the sliding arm is connected to the height adjusting rod (6) in a threaded mode, and the sliding arm is connected to the rectangular opening of the limiting sliding barrel (503) in a sliding mode.